Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle French
culet
←
Middle French
cul
(suffix)
←
Middle French
et
(suffix)
→
English
culet
(borrowed)
→
Dutch
kollet
(derived)